7903800120 has 128 divisors (see below), whose sum is σ = 25490764800. Its totient is φ = 1954238976.

The previous prime is 7903800077. The next prime is 7903800187. The reversal of 7903800120 is 210083097.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70282 + ... + 144038.

It is an arithmetic number, because the mean of its divisors is an integer number (199146600).

Almost surely, 2^7903800120 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7903800120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12745382400).

7903800120 is an abundant number, since it is smaller than the sum of its proper divisors (17586964680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7903800120 is a wasteful number, since it uses less digits than its factorization.

7903800120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73837 (or 73833 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 7903800120 is about 88903.3189481698. The cubic root of 7903800120 is about 1991.9509935364.

The spelling of 7903800120 in words is "seven billion, nine hundred three million, eight hundred thousand, one hundred twenty".